In a blog post today, Twitter has let users know that around 250,000 accounts have potentially been compromised. That means it's time to change your passwords.

Twitter found unusual access patterns on some accounts. Subsequently, they've revoked access to all compromised accounts, and you should receive an email requiring you to reset your password if yours was hacked. That said, if you're worried about your account, now's as good a time as any to change your password for Twitter (and any other account with the same email and password combination). Here's a quick primer for getting started with our favorite password manager, LastPass:

If you're already using LastPass, our intermediate guide will help you go beyond the basics.

Of particular interest right now, you can use LastPass to audit and update your passwords. Their audit tool can reveal your least secure passwords, which passwords you're repeating on various sites (fixing this for a password you may have repeated on Zappos will be especially important), and more.